Surge reliever relief valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 30, 1993
Issued Date -
N/A
app pub date -
Aug 21, 1990
filing date -
Oct 28, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A surge reliever relief valve is provided in which a flexible membrane is maintained in a peripherally sealed relationship across a rigid grid. The grid bounds the laterally adjacent intake and output regions of the valve. Intake pressure extends the membrane allowing flow between intake and output. Extension of the membrane is limited by a retainer. Extension may be elastic or inelastic.
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